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Seekins
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11700417F-Seekins
811452029460
11700417F
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The Seekins SIC Magnum Bolt Head is a complete, drop-in replacement bolt head assembly designed exclusively for the Seekins SIC modular rifle system, compatible with magnum bolt face cartridges including .300 Winchester Magnum, .300 PRC, and .300 Norma Magnum. Featuring a 3-lug design with a 60-degree throw and tool-less disassembly, the SIC Magnum bolt head swaps in seconds as part of a full caliber conversion kit — no gunsmith required. Machined to exacting tolerances from high-strength steel, the Magnum bolt head ensures reliable extraction and consistent headspacing across every SIC-compatible magnum cartridge.
